David

"Wherefore David arose and went, he and his men, and slew of the Philistines two hundred men; and David brought their foreskins, and they gave them in full tale to the king, that he might be the king's son in law. And Saul gave him Michal his daughter to wife."
1 Samuel 18:27. (See also 1 Samuel 19:11-18; 25:44; and 2 Samuel 3:13-14; 6:20-23.)

"David sent and communed with Abigail, to take her to him to wife.
1 Samuel
25:39

"David also took Ahinoam of Jezreel; and they were also both of them his
wives." 1 Samuel 25:43

"Absalom the son of Maacah the daughter of Talmai king of
Geshur;" 2 Samuel 3:3

"And the fourth, Adonijah the son of Haggith; and the fifth, Shephatiah the
son of Abital; And the sixth, Ithream, by Eglah David's wife. These were born
to David in Hebron." 2 Samuel 3:4-5

"And David took him more concubines and wives" 2 Samuel 5:13, 1 Chronicles
14:3

"And Nathan said to David, Thou art the man. Thus saith the LORD God of
Israel, I anointed thee king over Israel, and I delivered thee out of the hand
of Saul; And I gave thee thy master's house, and thy master's wives into thy
bosom, and gave thee the house of Israel and of Judah; and if that had been
too little, I would moreover have given unto thee such and such things." 2
Samuel 12:7-8

"And David comforted Bathsheba his wife..." 2 Samuel 12:24

"And the king went forth, and all his household after him. And the king left ten women, which were concubines, to keep the house."
2 Samuel 15:16. (See also 2 Samuel 16:21-23.)